Siemens 7ML5431 - Page 223

Dimension drawings
12.30 Raised-Face flange
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG
223
Raised-Face flange markings
Blind Flange Markings (Optional Manu-
facturer’s Logo [optional]; Flange
Standard; Nominal Size; Material; Heat
Code)
Machining Identification
Welded Assembly Identification
a)
Serial no.
Logo
Flange series
Flange
series
Heat Code
no.
Facing
Manufacturer’s logo; EN 1092-1 05 ‘B1’;
‘DN50’ ‘PN16’ ‘1.4404 or 1.4435’
A1B2C3
mmddyyx
xx
xxxxx xxxxx A1B2C3 RF
a)
When flange material is alloy N06022/2.4602, additional material and heat code
identification is provided.
The flange markings are located around the outside edge of the flange.
Serial number:
a unique number allotted to each flange, including the date
of manufacture
(MMDDYY) followed by a number from 001 to 999 (indicating the sequential
unit produced).
Flange series:
the Siemens Milltronics drawing identification.
Heat code:
a flange material batch code identification.